217850943

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1\times {\mathrm{3229}}^1$

素因数の和:3798

約数の個数: 16

約数和(自身を含む): 297883520

約数和(自身を除く): 80032577

約数列:

[1, 3, 43, 129, 523, 1569, 3229, 9687, 22489, 67467, 138847, 416541, 1688767, 5066301, 72616981, 217850943]

約数ペア:

[(1, 217850943), (3, 72616981), (43, 5066301), (129, 1688767), (523, 416541), (1569, 138847), (3229, 67467), (9687, 22489)]